20199451244

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1\times {\mathrm{7411}}^1$

素因数の和:8046

約数の個数: 48

約数和(自身を含む): 40663773696

約数和(自身を除く): 20464322452

約数列:

[1, 2, 4, 7, 14, 28, 311, 313, 622, 626, 1244, 1252, 2177, 2191, 4354, 4382, 7411, 8708, 8764, 14822, 29644, 51877, 97343, 103754, 194686, 207508, 389372, 681401, 1362802, 2304821, 2319643, 2725604, 4609642, 4639286, 9219284, 9278572, 16133747, 16237501, 32267494, 32475002, 64534988, 64950004, 721408973, 1442817946, 2885635892, 5049862811, 10099725622, 20199451244]

約数ペア:

[(1, 20199451244), (2, 10099725622), (4, 5049862811), (7, 2885635892), (14, 1442817946), (28, 721408973), (311, 64950004), (313, 64534988), (622, 32475002), (626, 32267494), (1244, 16237501), (1252, 16133747), (2177, 9278572), (2191, 9219284), (4354, 4639286), (4382, 4609642), (7411, 2725604), (8708, 2319643), (8764, 2304821), (14822, 1362802), (29644, 681401), (51877, 389372), (97343, 207508), (103754, 194686)]